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Fire Safety
Smoke Detectors

Smoke Detectors

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BEAT THE BEEP

Replace your carbon monoxide detectors every 7 years ­

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Beat the Beep
Hardwired Smoke Detectors
Hardwired Smoke Detectors
Battery Smoke Detectors
Battery Smoke Detectors
Alarm/Detector Features: 10-Year Battery
Alarm/Detector Features: 10-Year Battery
Interconnected
Interconnected
Dual-Sensor
Dual-Sensor
First Alert
First Alert
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51 Results

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Smoke Detectors

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Best Seller
FireX Hardwire Smoke Detector with 9-Volt Battery Backup and Front Load Battery Door (4-Pack)FireX Hardwire Smoke Detector with 9-Volt Battery Backup and Front Load Battery Door (4-Pack)

KiddeFireX Hardwire Smoke Detector with 9-Volt Battery Backup and Front Load Battery Door (4-Pack)

(2464)
Model# 21029887
$3997
/bundle ($9.99 /unit)
$49.97 Save $10.00 (20%)
Alarm Sensor Type
Ionization
Pack Size
4
Interconnected
Battery Back-Up
Power Source
Hardwired
Best Seller
10-Year Worry Free Sealed Battery Smoke Detector with Ionization Sensor (3-Pack)10-Year Worry Free Sealed Battery Smoke Detector with Ionization Sensor (3-Pack)

Kidde10-Year Worry Free Sealed Battery Smoke Detector with Ionization Sensor (3-Pack)

Shop this Collection
(1966)
Model# 21029885
$4997
($16.66 /unit)
Alarm Sensor Type
Ionization
10-Year Battery
Pack Size
3
Battery Type Required
.Built-In
Included
Batteries
FireX Hardwire Smoke Detector with 9-Volt Battery Backup with Adapters, Ionization Sensor, and 1-Button Test/HushFireX Hardwire Smoke Detector with 9-Volt Battery Backup with Adapters, Ionization Sensor, and 1-Button Test/Hush

KiddeFireX Hardwire Smoke Detector with 9-Volt Battery Backup with Adapters, Ionization Sensor, and 1-Button Test/Hush

(1442)
Model# 21029886
$1697
Alarm Sensor Type
Ionization
Pack Size
1
Interconnected
Battery Back-Up
Power Source
Hardwired
10-Year Worry Free Hardwire Smoke Detector with Battery Backup10-Year Worry Free Hardwire Smoke Detector with Battery Backup

Kidde10-Year Worry Free Hardwire Smoke Detector with Battery Backup

Shop this Collection
(850)
Model# 21029878
$2997
Alarm Sensor Type
Ionization
10-Year Battery
Pack Size
1
Interconnected
Battery Back-Up
10-Year Worry Free Sealed Battery Smoke Detector with Photoelectric Sensor (2-Pack)10-Year Worry Free Sealed Battery Smoke Detector with Photoelectric Sensor (2-Pack)

Kidde10-Year Worry Free Sealed Battery Smoke Detector with Photoelectric Sensor (2-Pack)

(794)
Model# 21026555
$3997
/bundle ($19.99 /unit)
Alarm Sensor Type
Photoelectric
10-Year Battery
Pack Size
2
Battery Type Required
Lithium Ion
Value Pack
Battery Operated Smoke Detector with Ionization Sensor

KiddeBattery Operated Smoke Detector with Ionization Sensor

(375)
Model# 21026056
$1744
Alarm Sensor Type
Ionization
Pack Size
1
Battery Type Required
9-volt
Included
Batteries
Hush Feature
Battery Operated Smoke Detector with Ionization SensorBattery Operated Smoke Detector with Ionization Sensor

KiddeBattery Operated Smoke Detector with Ionization Sensor

(852)
Model# 21008051
$497
Alarm Sensor Type
Ionization
Pack Size
1
Battery Type Required
9-volt
Included
Batteries
Hush Feature
Code One Battery Operated Smoke Detector with Front Load Battery DoorCode One Battery Operated Smoke Detector with Front Load Battery Door

KiddeCode One Battery Operated Smoke Detector with Front Load Battery Door

(341)
Model# 21029922
$1297
Alarm Sensor Type
Ionization
Pack Size
1
Battery Type Required
9-volt
Included
Batteries
Hush Feature
FireX Hardwire Smoke Detector with 9-Volt Battery Backup, Adapters, and Photoelectric SensorFireX Hardwire Smoke Detector with 9-Volt Battery Backup, Adapters, and Photoelectric Sensor

KiddeFireX Hardwire Smoke Detector with 9-Volt Battery Backup, Adapters, and Photoelectric Sensor

(571)
Model# 21029883
$1997
Alarm Sensor Type
Photoelectric
Pack Size
1
Interconnected
Battery Back-Up
Power Source
Hardwired
FireX Hardwire Smoke Detector with 9-Volt Battery Backup, Ionization Sensor, and 2-Button Test/Hush (6-Pack)FireX Hardwire Smoke Detector with 9-Volt Battery Backup, Ionization Sensor, and 2-Button Test/Hush (6-Pack)

KiddeFireX Hardwire Smoke Detector with 9-Volt Battery Backup, Ionization Sensor, and 2-Button Test/Hush (6-Pack)

(1066)
Model# 21005927
$7002
/bundle ($11.67 /unit)
Alarm Sensor Type
Ionization
Pack Size
6
Interconnected
Battery Back-Up
Power Source
Hardwired
10-Year Sealed Battery Smoke Detector with Intelligent Wire-Free Voice Interconnect (2-pack)10-Year Sealed Battery Smoke Detector with Intelligent Wire-Free Voice Interconnect (2-pack)

Kidde10-Year Sealed Battery Smoke Detector with Intelligent Wire-Free Voice Interconnect (2-pack)

Shop this Collection
(346)
Model# 21028749
$7997
/bundle ($39.99 /unit)
Alarm Sensor Type
Photoelectric
10-Year Battery
Pack Size
2
Interconnected
Battery Type Required
.Built-In
Hardwire Smoke Detector with 9-Volt Battery Backup and Ionization/Photoelectric Dual SensorsHardwire Smoke Detector with 9-Volt Battery Backup and Ionization/Photoelectric Dual Sensors

KiddeHardwire Smoke Detector with 9-Volt Battery Backup and Ionization/Photoelectric Dual Sensors

(308)
Model# 21007915-N
$2913
Alarm Sensor Type
Dual-Sensor
Pack Size
1
Interconnected
Battery Back-Up
Power Source
Hardwired
Showing 1-12 of 51 results.

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Questions & Answers

What are the shipping options for smoke detectors?
Some smoke detectors can be shipped to you at home, while others can be picked up in store.

What is the best rated smoke detectors product?
The best rated smoke detectors product is the Hardwired Interconnected Photoelectric Smoke Alarm with Dualink and Battery Backup.

Can smoke detectors be returned?
Yes, smoke detectors can be returned and have a 180-Day return period.

Which brand has the largest assortment of smoke detectors at The Home Depot?
Kidde has the largest assortment of smoke detectors.